parent
efc780b377
commit
51c76ccd58
GPG Key ID:
1BE5172E637709C2
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<?php |
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namespace AirQuality\Actions; |
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use \SBRL\TomlConfig; |
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use \AirQuality\Repositories\IDeviceRepository; |
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use \AirQuality\Repositories\IMeasurementTypeRepository; |
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use \AirQuality\ApiResponseSender; |
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use \AirQuality\Validator; |
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/** |
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* Action that lists the devices near a given location. |
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*/ |
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class ListDevicesNear implements IAction { |
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/** @var TomlConfig */ |
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private $settings; |
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/** @var \SBRL\PerformanceCounter */ |
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private $perfcounter; |
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/** @var IDeviceRepository */ |
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private $device_repo; |
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/** @var IMeasurementTypeRepository */ |
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private $type_repo; |
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/** @var ApiResponseSender */ |
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private $sender; |
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/** @var Validator */ |
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private $validator_get; |
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/** @var Validator */ |
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private $validator_post; |
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public function __construct( |
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TomlConfig $in_settings, |
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IDeviceRepository $in_device_repo, |
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ApiResponseSender $in_sender, |
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\SBRL\PerformanceCounter $in_perfcounter) { |
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$this->settings = $in_settings; |
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$this->device_repo = $in_device_repo; |
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$this->sender = $in_sender; |
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$this->perfcounter = $in_perfcounter; |
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$this->validator_get = new Validator($_GET); |
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$this->validator_post = new Validator($_POST); |
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} |
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public function handle() : bool { |
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global $start_time; |
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if(strtolower($_SERVER["REQUEST_METHOD"]) !== "post") { |
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$this->sender->send_error_plain(405, "Error: The devices-near action only takes a POST request, but you sent a {$_SERVER["REQUEST_METHOD"]} request. The parameters 'longitude' and 'latitude' should be specified in the POST body, and 'count' as a regular GET parameter.\nExample POST body (without quotes): 'latitude=12.345678&longitude=98.765432'\nDon't forget that the content-type header should be set to 'application/x-www-form-urlencoded'.", [ |
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[ "x-time-taken", $this->perfcounter->render() ] |
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]); |
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return false; |
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} |
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// 1: Validate params |
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$this->validator_get->is_numberish("count"); |
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$this->validator_get->run(); |
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$this->validator_post->is_numberish("latitude"); |
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$this->validator_post->is_numberish("longitude"); |
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$this->validator_post->run(); |
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// 2: Pull data from database |
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$this->perfcounter->start("sql"); |
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$data = $this->device_repo->get_near_location( |
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floatval($_POST["latitude"]), |
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floatval($_POST["longitude"]), |
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intval($_GET["count"]) |
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); |
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$this->perfcounter->end("sql"); |
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// 3: Serialise data |
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$this->perfcounter->start("encode"); |
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$response = json_encode($data); |
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$this->perfcounter->end("encode"); |
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// 4: Send response |
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// Send a cache-control header, but only in production mode |
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if($this->settings->get("env.mode") == "production") { |
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header("cache-control: public, max-age=" . $this->settings->get("cache.max-age")); |
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} |
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header("content-length: " . strlen($response)); |
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header("content-type: application/json"); |
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header("x-time-taken: " . $this->perfcounter->render()); |
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echo($response); |
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return true; |
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} |
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} |
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